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  1. #1

    2004 RXP will only get 54 MPH at 7300 RPMs

    I am writing as I have checked all forums for the answer to this question. I have a stock RXP with new motor and I can only get 54 MPH at 7300 RPMS. I checked the intake and there is nothing stuck in it. I am not using a learner key. The ski runs very well, but I cant get any more speed. I checked that there isnt any leaks throughout the SC unit or intercooler. Any assistance would be most appreciated. Thanks


  2. #2
    crzyjetskr's Avatar
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    That should rev to 7650 or so. Does it cavitate when you hit it full throttle out of the hole? Might be sucking in air somewhere. Check the supercharger slip the rpms are close but not where they should be.

  3. #3
    rmk82nd's Avatar
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    Possible need for knock sensor unsure what year your motor is. Also check your wear ring and your carbon ring.

  4. #4
    MSRXP's Avatar
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    Knock sensor update harness might be required. What else is or has been done to the ski?

  5. #5
    b_dolla44's Avatar
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    Quote Originally Posted by crzyjetskr View Post
    That should rev to 7650 or so. Does it cavitate when you hit it full throttle out of the hole? Might be sucking in air somewhere. Check the supercharger slip the rpms are close but not where they should be.
    RPMS should be 8100ish (not 7650)... Nor should they be 7300...
    Metal washers in charger yet?
    hours on charger?
    can you spin the charger by hand(free wheel)?
    sounds like the charger isn't making boost to me....

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